| Experiment | Measurement | Reference |
|---|---|---|
| LHCb | \([3.78 \pm 0.58\mbox{ (stat)} \pm 0.20\mbox{ (syst)} \pm 0.30\mbox{ (fs/fd)}] \times 10^{-2}\) | LHCb (superseded) |
| LHCb | \([0.0420 \pm 0.0049\mbox{ (stat)} \pm 0.0023\mbox{ (syst)} \pm 0.0033\mbox{ (fs/fd)}] \times 10^{0}\) | PLB 713 (2012) pp. 172-179 |
| Average | \(\mathbf{[0.0420 \pm 0.0063\mbox{ (combined)}] \times 10^{0}}\) |